Function new_m253 

pub fn new_m253(
    prg_rom: Box<[u8]>,
    chr_rom: Box<[u8]>,
    mirroring: Mirroring,
) -> Result<Waixing253, MapperError>

Mapper 253 (Waixing VRC4-clone, Dragon Ball Z).

Errors

MapperError::Invalid on a bad PRG/CHR size.